Surprisingly, screenwriter Anthony McCarten (The Theory Of Everything) manages to effortlessly cover Churchill’s complex relationships with his wife, Clementine (Kristin Scott Thomas), allies (Sir Anthony Eden, played by Samuel West), and close personal assistant, Elizabeth Nel née Layton (Lily James).
While Nolan focused exclusively on the plight of the Allied soldiers, including most of the British army, stranded on the beaches of the French town of Dunkirk, Joe Wright's "Darkest Hour," written by Anthony McCarten ("The Theory of Everything"), provides the context, detailing the political turmoil at home amid Winston Churchill's (Gary Oldman) rise to power as prime minister.
Writer Anthony McCarten (The Theory of Everything) based his screenplay on heavy research, Churchill’s speeches on record, and fan-fiction wish-fulfilment.
The smart, taut screenplay -- by "The Theory of Everything" writer Anthony McCarten -- covers a crucial month in 1940 when Churchill assumes government leadership while dealing with undermining political adversaries, plus cautiously courting support from a highly skeptical King George VI (Ben Mendelsohn).
Screenwriter McCarten (“The Theory of Everything”) gives us his stumbles, his high-handedness, loopy impulses and drunken, slurred speech, letting all comers name the old man’s shortcomings.
(Screenwriter Anthony McCarten also wrote the mawkish Stephen Hawking biopic The Theory Of Everything ; this is the scene where it really shows.)